72019288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19961}}^1$

素因数の和:20019

約数の個数: 32

約数和(自身を含む): 150912720

約数和(自身を除く): 78893432

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 19961, 39922, 79844, 159688, 219571, 439142, 818401, 878284, 1636802, 1756568, 3273604, 6547208, 9002411, 18004822, 36009644, 72019288]

約数ペア:

[(1, 72019288), (2, 36009644), (4, 18004822), (8, 9002411), (11, 6547208), (22, 3273604), (41, 1756568), (44, 1636802), (82, 878284), (88, 818401), (164, 439142), (328, 219571), (451, 159688), (902, 79844), (1804, 39922), (3608, 19961)]